$(document).ready(function()  {
    if ( $('div#gamma').html() == '' )  {
        $('div#gamma').hide();
    } else {
        $('div#gamma').append('<div class="content-corner inner-corner-nw"></div>')
                      .append('<div class="content-corner inner-corner-ne"></div>')
                      .append('<div class="content-corner inner-corner-sw"></div>')
                      .append('<div class="content-corner inner-corner-se"></div>');
    }
    
    if ( $('div#beta').html() == '' )  {
        $('div#beta').hide();
    } else {
        $('div#beta').append('<div class="content-corner inner-corner-nw"></div>')
                      .append('<div class="content-corner inner-corner-ne"></div>')
                      .append('<div class="content-corner inner-corner-sw"></div>')
                      .append('<div class="content-corner inner-corner-se"></div>');
    }
    
    
    $('div.innercontent').each(function()  {
        $(this).append('<div class="content-corner content-corner-nw"></div>')
               .append('<div class="content-corner content-corner-ne"></div>')
               .append('<div class="content-corner content-corner-sw"></div>')
               .append('<div class="content-corner content-corner-se"></div>')
               .append('<div class="content-corner-mask content-corner-mask-nw"></div>')
               .append('<div class="content-corner-mask content-corner-mask-ne"></div>')
               .append('<div class="content-corner-mask content-corner-mask-sw"></div>')
               .append('<div class="content-corner-mask content-corner-mask-se"></div>');
    });
    
    $('div#nav-browse-by-feature').click(function()  {
        $('div.nav-menu:visible').fadeOut('fast');
        
        var nav = $('div#feature-menu:hidden');
        if ( nav.length > 0 )  {
            nav.html($('div.other_features').html()).css({left: ($(this).position().left+10) + 'px', top: ($(this).position().top+10) + 'px'}).fadeIn('fast');
            
            $('body').one('click', function()  {
                $('div#feature-menu').fadeOut('fast');
            });
        } else {
            $('div#feature-menu').fadeOut('fast');
        }
        return false;
    });
    
    $('div#nav-more-communities').click(function()  {
        $('div.nav-menu:visible').fadeOut('fast');
        
        var nav = $('div#more-communities-menu:hidden');
        if ( nav.length > 0 )  {
            nav.html($('div.other_communities').html()).css({left: ($(this).position().left+10) + 'px', top: ($(this).position().top+10) + 'px'}).fadeIn('fast');
            
            $('body').one('click', function()  {
                $('div#more-communities-menu').fadeOut('fast');
            });
        } else {
            $('div#more-communities-menu').fadeOut('fast');
        }
        return false;
    });
});